code: def test_prefix_on_root_174():
      short_formats = "ipynb,python//py:percent"
  
      formats = long_form_multiple_formats(short_formats)
      assert short_form_multiple_formats(formats) == short_formats
  
      expected_paths = ["Untitled.ipynb", "python/Untitled.py"]
      for fmt, path in zip(formats, expected_paths):
          compare(
              paired_paths(path, fmt, formats),
              list(zip(expected_paths, formats)),
          )
  
imports: import os
  import unittest.mock
  import pytest
  import jupytext
  from jupytext.cli import jupytext
  from jupytext.compare import compare
  from jupytext.contentsmanager import TextFileContentsManager
  from jupytext.formats import long_form_multiple_formats, long_form_one_format, short_form_multiple_formats
  from jupytext.paired_paths import InconsistentPath, base_path, full_path, paired_paths
label_desc: Use image node_id 17 for calling a global function with example usage: test_prefix_on_root_174() without return types